Insiders / ONeil Mark F
ONeil Mark F
CIK 1342016personinsider
Companies
1
First seen
Apr 14, 2026
Last activity
Jun 29, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| CarMax Inc · KMX | 54,670 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| CarMax Inc | Common Stock | 54,670 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jun 24, 2026 | Buy | KMX CarMax Inc Common Stock | $251.3K | +5K | 4,800 <0.01% of shares | medium |
| Jun 24, 2026 | Buy | KMX CarMax Inc Common Stock | $251.3K | +5K +19.44% | 29,490 0.02% of shares | medium |
| Oct 16, 2020 | Buy | KMX CarMax Inc Common Stock | $17.8K | +191 +1.16% | 16,684 0.01% of shares | low |
| Jun 26, 2026 | Grant | KMX CarMax Inc Common Stock | $0 | +4K +12.53% | 33,186 0.02% of shares | low |